value unc_up unc_lo author ref method 18.09 4.710 4.710 Masiero 2020PSJ.....1....5M NEATM 19.01 0.238 0.238 Masiero 2011ApJ...741...68M NEATM 19.48 1.950 1.950 Ali-Lagoa 2018A&A...612A..85A NEATM 20.96 0.380 0.380 Usui 2011PASJ...63.1117U NEATM 21.85 1.200 1.200 Tedesco 2002AJ....123.1056T STM 22.67 6.940 6.940 Nugent 2016AJ....152...63N NEATM 22.78 0.400 0.400 Masiero 2014ApJ...791..121M NEATM 23.90 1.519 1.519 Ryan&Woodward 2010AJ....140..933R IRAS-STM 26.98 1.392 1.392 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM